<?php
	function symbol($str){
		$unit = $str;
		$unit =  str_replace("<sup>",'',$unit);
		$unit =  str_replace("</sup>",'',$unit);
		$unit =  str_replace("<sub>",'',$unit);
		$unit =  str_replace("</sub>",'',$unit);
		$unit =  str_replace("&ge;",'',$unit);
		$unit =  str_replace("&le;",'',$unit);
		$unit =  str_replace("&amp;",'',$unit);
        $unit =  str_replace("amp",'',$unit);
		$unit =  str_replace("<br/>",'',$unit);
        $unit =  str_replace("<br>",'',$unit);
        //$unit =  str_replace('<span style="font-weight: bold;">','',$unit);
        //$unit =  str_replace("</span>",'',$unit);   
		return $unit;
	}
    
    function spanbold($str){
        $unit = $str;
        $unit =  str_replace('<b;">','',$unit);
        $unit =  str_replace("</b>",'',$unit);   
		return $unit;
    }
    
    function removeSTR($rpl,$str){
        $unit =  str_replace($rpl,'',$str);   
		return $unit;
    }